Christophe Dugave's cis-trans Isomerization in Biochemistry PDF

By Christophe Dugave

ISBN-10: 3527313044

ISBN-13: 9783527313044

ISBN-10: 3527609334

ISBN-13: 9783527609338

Collating the data from over 20,000 courses in chemistry, biology and nanotechnology, this guide is the 1st to comprehensively current the state-of-the-art in a single prepared reference. A crew of overseas authors connects some of the disciplines concerned, protecting cis-trans isomerization of double bonds and pseudo-double bonds, in addition to different cis-trans isomerizations.
For biochemists, natural chemists, physicochemists, photochemists, polymer and medicinal chemists.Content:
Chapter 1 Nomenclature (pages 1–5): Christophe Dugave
Chapter 2 common Mechanisms of Cis?Trans Isomerization: A quick Survey (pages 7–13): Christophe Dugave
Chapter three Mechanisms of Cis?Trans Isomerization round the Carbon–Carbon Double Bonds through the Triplet nation (pages 15–51): Yasushi Koyama, Yoshinori Kakitani and Hiroyoshi Nagae
Chapter four Retinal Binding Proteins (pages 53–75): Hideki Kandori
Chapter five Non?Retinal Chromophoric Proteins (pages 77–94): Marc Zimmer
Chapter 6 Fatty Acids and Phospholipids (pages 95–112): Chryssostomos Chatgilialoglu and Carla Ferreri
Chapter 7 In Silico Dynamic stories of Cis?Trans Isomerization in natural and organic platforms (pages 113–141): Ute F. Rohrig, Ivano Tavernelli and Ursula Rothlisberger
Chapter eight Chemical facets of the constrained Rotation of Esters, Amides, and comparable Compounds (pages 143–166): Christophe Dugave
Chapter nine Amide Cis?Trans Isomerization in Peptides and Proteins (pages 167–193): Stephan Wawra and Gunter Fischer
Chapter 10 Enzymes Catalyzing Peptide Bond Cis?Trans Isomerizations (pages 195–224): Gunter Fischer
Chapter eleven Tailoring the Cis?Trans Isomerization of Amides (pages 225–259): Luis Moroder, Christian Renner, John J. Lopez, Manfred Mutter and Gabriele Tuchscherer
Chapter 12 Peptidyl Prolyl Isomerases: New goals for Novel Therapeutics? (pages 261–294): Christophe Dugave
Chapter thirteen different Cis?Trans Isomerizations in natural Molecules and Biomolecules (pages 295–320): Muriel Gondry and Christophe Dugave
Chapter 14 Cis?Trans Isomerism in steel Complexes (pages 321–344): Alzir Azevedo Batista and Salete Linhares Queiroz

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Example text

Finally, we tried to find the reason why such conformational changes can cause the dissipation of triplet population (energy) by examining the time-dependent changes in spin polarization (the difference in the populations on the spin sublevels, that is, N0 – N+1 (N–1)). When the triplet energy is transferred from 3P that has been generated by the radical-pair mechanism [20], the initial population on the spin sublevels should be N0 = 1 and N+1 = N–1 = 0. Then, N0 must decay to zero, keeping N+1 = N–1 to be zero.

The pathways of isomerization are shown by arrows, whose lengths are proportional to the values of quantum yield [8]. 2 Triplet-Excited Region in All-trans-Retinal Shown in Terms of Stretching Force Constants Determined by Raman Spectroscopy and Normal Coordinate Analysis [9] A set of carbon–carbon and carbon–oxygen stretching force constants is a useful measure of bond orders. Since the normal vibrations of a molecule are determined by a set of force constants (called “molecular force field”) and the mass of atoms, isotopic substitution is a powerful technique to increase the number of observables (vibrational frequencies) keeping the molecular force field unchanged.

Fig. 8 Changes in the stretching force constants upon triplet excitation from the S0 state (open circles) to the T1 state (filled circles) of all-trans-retinal [9]. 3 Dynamic Triplet-Excited Region in Retinal As Revealed by Deuteration Effects on the Quantum Yields of Isomerization via the T1 State (Okumura, Koyama, unpublished results) The concept of a triplet-excited region that causes changes in bond order in the conjugated chain and triggers the CTI is now experimentally established in retinal.

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cis-trans Isomerization in Biochemistry by Christophe Dugave

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